What is Age Calculator?
An age calculator finds the exact time elapsed since a date of birth.
How to use Age Calculator
- 1
Enter the date of birth.
- 2
Optionally change the reference date.
- 3
Read the results.
Features
- Years, months and days
- Totals in months, weeks and days
- Weekday of birth
- Leap-day birthdays handled
Practical uses
- Filling in forms that ask for exact age.
- Counting down to a birthday.
Limitations
- Time of birth and time zones aren't considered.
Frequently asked questions
When do people born on February 29 celebrate?
Laws differ. You can choose February 28 or March 1 for non-leap years.